There are plenty of synonyms for the phrase "empty out." Some of the most common ones include "clear out," "evacuate," "drain," "deplete," "vacate," "unload," "strip," and "empty." Each of these words carries its own distinct connotation, so it's important to choose the right word based on the context. For example, you might use "evacuate" to describe a situation where people are leaving a dangerous area, while "drain" might be more appropriate to describe a process where water or other liquid is being removed from a container. Whether you're writing creatively or simply trying to express yourself clearly, using synonyms for "empty out" can help you add variety and precision to your language.